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Tsirkin" , Mark Cave-Ayland , Kevin Wolf , Markus Armbruster , Gerd Hoffmann , Mathieu Poirier , Hanna Reitz , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Erik Schilling , "Gonglei (Arei)" , Eduardo Habkost , Fam Zheng , virtio-fs@redhat.com, Stefan Hajnoczi Subject: [PATCH v3 08/20] virtio: add PCI stub for vhost-user-device Date: Mon, 10 Jul 2023 16:35:10 +0100 Message-Id: <20230710153522.3469097-9-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230710153522.3469097-1-alex.bennee@linaro.org> References: <20230710153522.3469097-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32b; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x32b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, T_SCC_BODY_TEXT_LINE=-0.01, T_SPF_TEMPERROR=0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1689003446089100007 This is all pretty much boilerplate. Signed-off-by: Alex Benn=C3=A9e Tested-by: Erik Schilling --- hw/virtio/vhost-user-device-pci.c | 71 +++++++++++++++++++++++++++++++ hw/virtio/meson.build | 1 + 2 files changed, 72 insertions(+) create mode 100644 hw/virtio/vhost-user-device-pci.c diff --git a/hw/virtio/vhost-user-device-pci.c b/hw/virtio/vhost-user-devic= e-pci.c new file mode 100644 index 0000000000..41f9b7905b --- /dev/null +++ b/hw/virtio/vhost-user-device-pci.c @@ -0,0 +1,71 @@ +/* + * Vhost-user generic virtio device PCI glue + * + * Copyright (c) 2023 Linaro Ltd + * Author: Alex Benn=C3=A9e + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/vhost-user-device.h" +#include "hw/virtio/virtio-pci.h" + +struct VHostUserDevicePCI { + VirtIOPCIProxy parent_obj; + VHostUserBase vub; +}; + +typedef struct VHostUserDevicePCI VHostUserDevicePCI; + +#define TYPE_VHOST_USER_DEVICE_PCI "vhost-user-device-pci-base" + +DECLARE_INSTANCE_CHECKER(VHostUserDevicePCI, + VHOST_USER_DEVICE_PCI, + TYPE_VHOST_USER_DEVICE_PCI) + +static void vhost_user_device_pci_realize(VirtIOPCIProxy *vpci_dev, Error = **errp) +{ + VHostUserDevicePCI *dev =3D VHOST_USER_DEVICE_PCI(vpci_dev); + DeviceState *vdev =3D DEVICE(&dev->vub); + + vpci_dev->nvectors =3D 1; + qdev_realize(vdev, BUS(&vpci_dev->bus), errp); +} + +static void vhost_user_device_pci_class_init(ObjectClass *klass, void *dat= a) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + VirtioPCIClass *k =3D VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k =3D PCI_DEVICE_CLASS(klass); + k->realize =3D vhost_user_device_pci_realize; + set_bit(DEVICE_CATEGORY_INPUT, dc->categories); + pcidev_k->vendor_id =3D PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id =3D 0; /* Set by virtio-pci based on virtio id */ + pcidev_k->revision =3D 0x00; + pcidev_k->class_id =3D PCI_CLASS_COMMUNICATION_OTHER; +} + +static void vhost_user_device_pci_instance_init(Object *obj) +{ + VHostUserDevicePCI *dev =3D VHOST_USER_DEVICE_PCI(obj); + + virtio_instance_init_common(obj, &dev->vub, sizeof(dev->vub), + TYPE_VHOST_USER_DEVICE); +} + +static const VirtioPCIDeviceTypeInfo vhost_user_device_pci_info =3D { + .base_name =3D TYPE_VHOST_USER_DEVICE_PCI, + .non_transitional_name =3D "vhost-user-device-pci", + .instance_size =3D sizeof(VHostUserDevicePCI), + .instance_init =3D vhost_user_device_pci_instance_init, + .class_init =3D vhost_user_device_pci_class_init, +}; + +static void vhost_user_device_pci_register(void) +{ + virtio_pci_types_register(&vhost_user_device_pci_info); +} + +type_init(vhost_user_device_pci_register); diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build index b87c5523e7..1e1df77783 100644 --- a/hw/virtio/meson.build +++ b/hw/virtio/meson.build @@ -18,6 +18,7 @@ if have_vhost # fixme - this really should be generic specific_virtio_ss.add(files('vhost-user.c')) softmmu_virtio_ss.add(files('vhost-user-device.c')) + softmmu_virtio_ss.add(when: 'CONFIG_VIRTIO_PCI', if_true: files('vhost= -user-device-pci.c')) endif if have_vhost_vdpa specific_virtio_ss.add(files('vhost-vdpa.c', 'vhost-shadow-virtqueue.c= ')) --=20 2.39.2